package kap4.scpj6;

interface Vessel {
}

interface Toy {
}

class Boat implements Vessel {
}

class Speedboat extends Boat implements Toy {
}

public class Tree {
	public static void main(String[] args) {
		String s = "0";
		Boat b = new Boat();
		Boat b2 = new Speedboat();
		Speedboat s2 = new Speedboat();
		if ((b instanceof Vessel) && (b2 instanceof Toy))
			s += "1";
		if ((s2 instanceof Vessel) && (s2 instanceof Toy))
			s += "2";
		System.out.println(s);
	}
}